About Olivier Bertin

Olivier Bertin is a leading tax litigation lawyer in Belgium and a professor of tax litigation at two Belgian universities. His practice spans all areas of tax law, including restructurings, planning, due diligences, advance rulings and international employment. He aims to provide clients with clear, actionable advice based on legal sources, helping them assess risks and savings. In litigation, Olivier advocates firmly while remaining open to negotiated solutions, often resolving disputes at the administrative stage. In court, he focuses on concise, well-structured pleadings, prepared thoroughly to persuade judges and answer their questions with clarity and precision during hearings.